TY JOUR TI The effect of a decrease in relative humidity during the growing of broilers on immunity and productivity indicators KW broiler KW microclimate KW temperature and humidity regime KW maintenance KW immunity JO Agrarian Bulletin of the AU Morozov, V.Y. AU Kalitkina, K.A. AU Kolesnikov, R.O. PY 2023 IS 232 PB Ural State Agrarian University